Other problems

thin, weakened bones (osteoporosis) – this can occur as a result of repeated infections, poor growth, lack of physical activity and malnutrition

swelling and pain in the joints (arthritis or arthralgia) from late childhood

difficulty conceiving children – most men with cystic fibrosis are unable to have children naturally (although some fertility treatments may still work) because the tubes that carry sperm don't develop correctly; women can become pregnant, however

liver problems caused by the tiny bile ducts in the liver becoming blocked by mucus